Arsen sits next to 4 phonetic neighbors — Arsenio, Jason, and Arsen are the closest matches by sound. Most share Arsen's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strong, virile, masculine"
"growth, increase"
"of the hunt, belonging to Artemis"
"the color blue"
"wrathful, to cause pain"
"archer (legendary)"
"little one"
"eagle, swift and free"
"God-like, comparable to God"
"wealthy guardian, prosperous protector"
"noble, handsome"
"gift of God"
"man, husband"
"defender of men, protector of the people"
"chancellor, keeper of records"
"from the flower"
"blissful, divinely favored"
Similar sound: These names share phonetic patterns with Arsen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Arsen.
Rhythm: Arsen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.